Javascript; communication between tabs/windows with same origin [duplicate]
问题 This question already has answers here : Communication between tabs or windows (9 answers) Closed 2 years ago . I have two windows: window A and window B. window A and window B have same domain window A and window B doesn\'t have any parent window. Questions: Is it possible for window A to get a reference of window B? what is the most elegant way to make window A notify something to window B? (including new HTML5 specs) Two ways i am aware of doing this: messaging by server: where window B